Method for purification of amido acids

Details Method for purification of amido acids Method for purification of amido acids

1986-10-20

1987-06-30

Evans, J. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

502 29, C07C10200, C07C10327

Patent

active

046769331

ABSTRACT:
A method for purification of C.sub.12 -C.sub.16 amido acids prepared from C.sub.10 -C.sub.14 amido acids is disclosed. The amido acids are purificed by dissolving the crude product in organic alcohol solvent and chloroform at a temperature between room temperature and about 60.degree. C. and about atmospheric pressure. Then the solution is filtered, cooled and allowed to recrystallize. This method is effective for removing the Rh and Co bimetallic catalysts.

REFERENCES:
patent: 2167931 (1939-08-01), McAllister et al.
patent: 2542766 (1951-02-01), Gresham
patent: 2760977 (1956-08-01), Fever et al.
patent: 3006934 (1961-10-01), Dieckelmann
patent: 3264281 (1966-08-01), Applewhite et al.
patent: 3927048 (1975-12-01), Duranleau et al.
Vogel, "Practical Organic Chemistry", 3rd ed. (1957), pp. 122-125.

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